TECHNICAL INSTRUCTIONS DGPT2 - Automation 2000

TECH. INSTRUCTIONS Page N T/NOT-0021 Date: 28/09/16 Rev. 7 DGPT2 1 TECHNICAL INSTRUCTIONS DGPT2 A U T O M A T I O N 2 0 0 0 2 0 r u e d e l a p o m m e r a i e , 7 8 3 1 0 C o i g n i r e s F R A N C E T e l : + 3 3-1-3461-4232 F a x : + 3 3-1-3461-8919 i n f o @ a u t o m a t i o n 2 0 0 0 . c o m w w w . a u t o m a t i o n 2 0 0 0 . c o m 1 INSTALLATION (COMPLETELY FILLED HERMETIC TRANSFORMERS) Preamble The following installation procedure is given for information only. Automation 2000 cannot be held responsible for its execution. Installation precautions Before installing the DGPT2 , make sure that: The transformer is not powered. The transformer dielectric is at ambient temperature (approx. 20 C). The dielectric level inside the transformer is slightly below the transformer tank cover. The transformer opening on which the DGPT2 will be installed is opened. Installation procedure Remove the drain tap and the level indicator float.

3– ELECTRICAL OPERATION 3.1 Preamble All DGPT2® monitoring functions come with change-over contacts (a Normally Opened contact, a Normally Closed contact and a Common point). 3.2 Operating diagram 3.2.1 Gas discharge Gas discharge is usually due to …

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